Consider the following statements: 1. The boundaries of a National Park are defined by legislation. 2. A Biosphere Reserve is declared to conserve a few specific species of flora and fauna. 3. In a Wildlife Sanctuary, limited biotic interference is permitted. Which of the statements given above is/are correct? [IAS 2010] (a) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3